Normal Operation
WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
- DTC U0100 (Lost Communication With ECM /PCM) - sets in the Instrument Cluster (IC) if data messages received from the PCM over the High Speed Controller Area Network (HS-CAN) are missing for 5 seconds or longer.
NOTE:
Once the IC
sets DTC U0100, multiple gauges or indicators are likely to be inoperative in the cluster. Other modules that require data from the IC
may set communication DTCs and may also exhibit system function concerns.
This pinpoint test is intended to diagnose the following:
- PCM
- IC